Home
Class 12
PHYSICS
A thermocouple is made of Cu and Fe . If...

A thermocouple is made of Cu and Fe . If a battery is connected in it, then

A

Both junctions will be at the same temperature

B

Both junctions will become hot

C

One junction will be hotter than the other

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Heating Effect of Current|2 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Chemical Effect Current|1 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

Similar Questions

Explore conceptually related problems

Battery connection & cube

Figure shows a square loop made from a uniform wire. If a battery is connected between the pionts A and C. What will be the magnetic field at the centre O of the square?

Cathode is made of …………in mercury battery

Figure shows a square loop made from a uniform wire. Find the magnetic field at the centre of the square if a battery is connected between the points A and C.

When a capacitor is connected to a battery:

Figure shows a cube made from twelve uniform wires. Find the magnetic field at the centre of the cube, if a battery is connected between the points A and H.

A battery is of emf E is being charged from a charger such that positive terminal of the battery is connected to terminal A of charger and negative terminal of the battery is connected to terminal B of charger. The internal resistance of the battery is r .

A battery of electro motive force E is connected in series with a resistance R and a voltmeter. An ammeter is connected in parallel with the battery.

A galvanometer, together with an unknown resistance in series, is connected across two identical batteries of each 1.5 V . When the batteries are connected in series,the galvanometer records a current of 1 A , and when the batteries are connected in parallel, the current is 0.6 A . In this case, the internal resistance of the battery is 1//'**' Omega . What is the value of '**'?